| os | (noun) rigid connective tissue that makes up the skeleton of vertebrates | Synonyms: bone |
|---|
| (noun) a mouth or mouthlike opening | - |
| oscheocele | (noun) swelling of the scrotum | Synonyms: oscheocoele |
|---|
| oscheocoele | (noun) swelling of the scrotum | Synonyms: oscheocele |
|---|
| oscillate | (verb) move or swing from side to side regularly | Synonyms: vibrate |
|---|
| (verb) be undecided about something; waver between conflicting positions or courses of action | Synonyms: hover, vacillate, vibrate |
| oscillating | (adjective) having periodic vibrations | Synonyms: oscillatory |
|---|
| oscillation | (noun) (physics) a regular periodic variation in value about a mean | Synonyms: vibration |
|---|
| (noun) a single complete execution of a periodically repeated phenomenon | Synonyms: cycle |
| (noun) the process of oscillating between states | - |
| oscillator | (noun) generator that produces sonic oscillations or alternating current | - |
|---|
| oscillatory | (adjective) having periodic vibrations | Synonyms: oscillating |
|---|
| oscillogram | (noun) the recording produced by an oscillograph | - |
|---|
| oscillograph | (noun) a device for making a record of the wave forms of fluctuating voltages or currents | - |
|---|
| oscilloscope | (noun) electronic equipment that provides visual images of varying electrical quantities | Synonyms: cathode-ray oscilloscope, CRO, scope |
|---|
| oscine | (adjective) of or relating to the songbirds | - |
|---|
| (noun) passerine bird having specialized vocal apparatus | Synonyms: oscine bird |
| oscitance | (noun) an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom | Synonyms: oscitancy, yawn, yawning |
|---|
| (noun) drowsiness and dullness manifested by yawning | Synonyms: oscitancy |
| oscitancy | (noun) an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom | Synonyms: oscitance, yawn, yawning |
|---|
| (noun) drowsiness and dullness manifested by yawning | Synonyms: oscitance |
| oscitant | (adjective) showing lack of attention or boredom | Synonyms: drowsy, yawning |
|---|
| osculate | (verb) touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc. | Synonyms: buss, kiss, snog |
|---|
| (verb) have at least three points in common with | - |
| (verb) be intermediate between two taxonomic groups | - |
| osculation | (noun) the act of caressing with the lips (or an instance thereof) | Synonyms: buss, kiss |
|---|
| (noun) (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent | - |
| osculator | (noun) someone who kisses | Synonyms: kisser |
|---|
| osier | (noun) any of various willows having pliable twigs used in basketry and furniture | - |
|---|
| (noun) flexible twig of a willow tree | - |
| osmiridium | (noun) a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc. | Synonyms: iridosmine |
|---|
| osmium | (noun) a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known | Synonyms: atomic number 76, Os |
|---|
| osmoreceptor | (noun) sensory end organ that responds to changes in osmotic pressure | - |
|---|
| osmosis | (noun) (biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal | - |
|---|
| osmotic | (adjective) of or relating to osmosis | - |
|---|
| osmotically | (adverb) by means of osmosis | - |
|---|
| osmund | (noun) any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters | Synonyms: flowering fern |
|---|
| osprey | (noun) large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years | Synonyms: fish eagle, fish hawk, Pandion haliaetus, sea eagle |
|---|
| osseous | (adjective) composed of or containing bone | Synonyms: bony, osteal |
|---|
| ossicle | (noun) a small bone; especially one in the middle ear | Synonyms: bonelet, ossiculum |
|---|
| ossicular | (adjective) pertaining to the ossicles in the middle ear | Synonyms: ossiculate |
|---|
| ossiculate | (adjective) pertaining to the ossicles in the middle ear | Synonyms: ossicular |
|---|
| ossiculum | (noun) a small bone; especially one in the middle ear | Synonyms: bonelet, ossicle |
|---|
| ossiferous | (adjective) containing bones (especially fossil bones) | - |
|---|
| ossification | (noun) hardened conventionality | Synonyms: conformity |
|---|
| (noun) the developmental process of bone formation | - |
| (noun) the process of becoming rigidly fixed in a conventional pattern of thought or behavior | - |
| (noun) the calcification of soft tissue into a bonelike material | - |
| ossified | (adjective) set in a rigidly conventional pattern of behavior, habits, or beliefs | Synonyms: fossilised, fossilized |
|---|
| ossify | (verb) become bony | - |
|---|
| (verb) cause to become hard and bony | - |
| (verb) make rigid and set into a conventional pattern | Synonyms: petrify, rigidify |
| ossuary | (noun) any receptacle for the burial of human bones | - |
|---|
| osteal | (adjective) composed of or containing bone | Synonyms: bony, osseous |
|---|
| (adjective) relating to bone or to the skeleton | - |
| osteitis | (noun) inflammation of a bone as a consequence of infection or trauma or degeneration | - |
|---|
| ostensibility | (noun) The quality of being professed, supposed rather than demonstrably true or real. | - |
|---|
| ostensible | (adjective) represented or appearing as such; pretended | Synonyms: ostensive |
|---|
| (adjective) appearing as such but not necessarily so | Synonyms: apparent, seeming |
| ostensibly | (adverb) from appearances alone | Synonyms: apparently, on the face of it, seemingly |
|---|
| ostensive | (adjective) represented or appearing as such; pretended | Synonyms: ostensible |
|---|
| (adjective) manifestly demonstrative | - |
| ostensorium | (noun) (Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration | Synonyms: monstrance |
|---|
| ostentate | (verb) display proudly; act ostentatiously or pretentiously | Synonyms: flash, flaunt, show off, swank |
|---|
| ostentation | (noun) pretentious or showy or vulgar display | - |
|---|
| (noun) lack of elegance as a consequence of being pompous and puffed up with vanity | Synonyms: inflation, ostentatiousness, pomposity, pompousness, pretentiousness, puffiness, splashiness |
| (noun) a gaudy outward display | Synonyms: fanfare, flash |
| ostentatious | (adjective) intended to attract notice and impress others | Synonyms: pretentious |
|---|
| (adjective) (of a display) tawdry or vulgar | Synonyms: pretentious |
| ostentatiously | (adverb) with ostentation; in an ostentatious manner | Synonyms: showily |
|---|
| ostentatiousness | (noun) lack of elegance as a consequence of being pompous and puffed up with vanity | Synonyms: inflation, ostentation, pomposity, pompousness, pretentiousness, puffiness, splashiness |
|---|
| osteoarthritis | (noun) chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age | Synonyms: degenerative arthritis, degenerative joint disease |
|---|
| osteoblast | (noun) a cell from which bone develops | Synonyms: bone-forming cell |
|---|
| osteoblastoma | (noun) benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults) | - |
|---|
| osteochondroma | (noun) benign tumor containing both bone and cartilage; usually occurs near the end of a long bone | - |
|---|
| osteoclasis | (noun) treatment of a skeletal deformity by intentionally fracturing a bone | - |
|---|
| osteoclast | (noun) cell that functions in the breakdown and resorption of bone tissue | - |
|---|
| osteocyte | (noun) mature bone cell | - |
|---|
| osteodystrophy | (noun) defective bone development; usually attributable to renal disease or to disturbances in calcium and phosphorus metabolism | - |
|---|
| osteologer | (noun) an anatomist who is skilled in osteology | Synonyms: osteologist |
|---|
| osteologist | (noun) an anatomist who is skilled in osteology | Synonyms: osteologer |
|---|
| osteology | (noun) the branch of anatomy that studies the bones of the vertebrate skeleton | - |
|---|
| osteolysis | (noun) lysis of bone caused by disease or infection or inadequate blood supply | - |
|---|
| osteoma | (noun) a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible | - |
|---|
| osteomalacia | (noun) abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D | - |
|---|
| osteomyelitis | (noun) an inflammation of bone and bone marrow (usually caused by bacterial infection) | - |
|---|
| osteopath | (noun) a therapist who manipulates the skeleton and muscles | Synonyms: osteopathist |
|---|
| osteopathist | (noun) a therapist who manipulates the skeleton and muscles | Synonyms: osteopath |
|---|
| osteopathy | (noun) therapy based on the assumption that restoring health is best accomplished by manipulating the skeleton and muscles | - |
|---|
| osteopetrosis | (noun) an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated | Synonyms: Albers-Schonberg disease, marble bones disease |
|---|
| osteophyte | (noun) small abnormal bony outgrowth | - |
|---|
| osteoporosis | (noun) abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women | - |
|---|
| osteosarcoma | (noun) malignant bone tumor; most common in children and young adults where it tends to affect the femur | Synonyms: osteogenic sarcoma |
|---|
| osteosclerosis | (noun) abnormal hardening or eburnation of bone | - |
|---|
| osteostracan | (noun) extinct jawless fish of the Devonian with armored head | Synonyms: cephalaspid |
|---|
| osteotomy | (noun) surgical sectioning of bone | - |
|---|
| ostiarius | (noun) the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church | Synonyms: doorkeeper, ostiary |
|---|
| ostiary | (noun) someone who guards an entrance | Synonyms: door guard, doorkeeper, doorman, gatekeeper, hall porter, porter |
|---|
| (noun) the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church | Synonyms: doorkeeper, ostiarius |
| ostinato | (noun) a musical phrase repeated over and over during a composition | - |
|---|
| ostiole | (noun) a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass | - |
|---|
| ostler | (noun) someone employed in a stable to take care of the horses | Synonyms: groom, hostler, stableboy, stableman |
|---|
| ostomy | (noun) surgical procedure that creates an artificial opening for the elimination of bodily wastes | - |
|---|
| ostracise | (verb) avoid speaking to or dealing with | Synonyms: ostracize |
|---|
| (verb) expel from a community or group | Synonyms: ban, banish, blackball, cast out, ostracize, shun |
| ostracism | (noun) the act of excluding someone from society by general consent | - |
|---|
| (noun) the state of being banished or ostracized (excluded from society by general consent) | Synonyms: banishment, Coventry |
| ostracize | (verb) avoid speaking to or dealing with | Synonyms: ostracise |
|---|
| (verb) expel from a community or group | Synonyms: ban, banish, blackball, cast out, ostracise, shun |
| ostracod | (noun) tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell | Synonyms: mussel shrimp, seed shrimp |
|---|
| ostracoderm | (noun) extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic | - |
|---|
| ostrich | (noun) fast-running African flightless bird with two-toed feet; largest living bird | Synonyms: Struthio camelus |
|---|
| (noun) a person who refuses to face reality or recognize the truth (a reference to the popular notion that the ostrich hides from danger by burying its head in the sand) | - |